linux: In the Linux kernel, the following vulnerability has been resolved: arm_mpam: guard MBWU state before adding it to g...
CVE-2026-68345 is fixed in linux on 1 platform by DEBIAN-CVE-2026-68345 (version 7.1.6-1), released August 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: arm_mpam: guard MBWU state before adding it to garbage __destroy_component_cfg() adds each RIS mbwu_state object to the MPAM garbage list when destroying component configuration. However, mbwu_state is allocated per RIS and only for RISes with MBWU monitors. A component can therefore have comp->cfg allocated while some RISes still have ris->mbwu_state set to NULL. Passing a NULL mbwu_state to add_to_garbage() dereferences the NULL pointer inside the macro. Skip RISes that do not have an mbwu_state object before adding them to the garbage list.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 14 | 7.1.6-1 | DEBIAN-CVE-2026-68345 | Aug 11, 2026 |
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